Malicious PDF — malware analysis report

Static analysis result for SHA-256 6063a44acaf275f9…

MALICIOUS

PDF

374.1 KB Created: 2015-08-22 09:00:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b0ce0648e7aa0ac75818fc529515a87f SHA-1: 9ad8ad3c80c07137254a359d8a54afb537c1d22c SHA-256: 6063a44acaf275f99374e0c062bcb4c6559dea2353228ac7e7e2476093569e30
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. While no scripts were explicitly extracted, the PDF structure and the malicious link suggest it's designed to exploit users by redirecting them to potentially malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9943

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=mount+and+blade+warband+prophesy+of+pendor+3611+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674499_maykrosoft_ofis_2007_skachat_besplatno_bez_klyucha.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674571_blank_akt_na_spisanie_avtoshin_rb.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674519_mazin_vozhd_vikingov_skachat_fb2.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058d26.bin
1956366857389754ca1a5c214975783fbb2c81b92a05334ab60374bca9c0a08a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58D26 10288 bytes
font_01_sfnt_off0005a958.bin
d7a72cb6aa418d8230b9d07fb18eb3e7767e1419f96165fbc0e3272348e67157		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A958 14676 bytes

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